I don't usually visit this forum, but I just directed a new Photoshop user to a PDT article, and took the time to read the content myself. As a consequence, I found the free books, the first of which was Pixel Perfect Design, and pure gold. Man many years ago I had a library book taught me the basics of proper use of layout, fonts and white space etc. and PP3 is a modern day version, and an excellent resource. It5 breaks your heart to see cluttered, badly laid out pages, and it is super useful having a resource to point people to, that shows them the way.